Sub ulm


sub ulm

24 knots to keep up with Soviet submarines. Radm Levering Smith, PM-1, stated that the encapsulated missile would be retained only if real merit could be established. Whereas the missile design in the Zumwalt compromise was very close to the expo missile in size and hence vulnerable to suggestions that it be deployed in the poseidon submarine, the latest version (now called the trident 11) is decisively larger and unequivocably requires. There were also studies made of tilting the launch tubes athwartship and/or fore/aft attitude. By 1970 he deferred to Rickover; the result was a trident submarine design of massive proportions. Likewise, the larger reactor stilled internal suggestions that the trident use the existing 30,000 shp reactor then being deployed on the latest nuclear attack submarines. After examining these and other alternatives that ranged from the sublime to the ridiculous (such as missile-firing submersibles, icbms carried on trucks, surface ships or barges, new bombers, seabed platforms (perhaps located in Hudson Bay the strat-X panel concluded in 1968 that the Navy's ulms. The third concept, "twin tube was Mare Island's preferred configuration. The fore and aft angle could be varied quite a bit more (e.g. The fishbone concept, in the missile section, is configured to present a non-circular pressure hull. The commanders of operational submarines, always reliable advocates of speed, agreed. The tradeoffs between launch mode concepts were conducted during CY 1968.

The report concluded then that the classic FBM battery arrangement should be maintained. Candidate strat-X system concepts were evaluated for: (Primary) the ability to retaliate against a Soviet urban-industrial target and (Secondary) flexibility to perform selected counterforce and controlled-response missions. Twenty knots was the maximum speed at which active sonar could still function effectively. The study was conducted under the auspices of the Research and Engineering Support Division of IDA. Its slow speed and quiet signature would reinforce its strong survivability characteristics and lower the probability that it would be detected. Miller (opnav) and radm Levering Smith, (SP-00)the Navy contingent on the strat-X panel, "representing both the Naval Operations staff and the 'hardware' side of the Navy"- participated, but Naval Reactors Branch, which furnished the nuclear power plans for all nuclear-powered Navy vessels, did not. It was conceived to use the inboard half of the missile tube as the primary pressure hull in the missile tube section of the boat. The issue between Rickover and Smith was joined in technical terms over the size of the reactors. Rickover, however, proposed to develop a far larger natural circulation reactor which would offer not only the increased quietness, but also greater top speed. The "D Frame" achieved a similar non-circular missile tube section by using a flat plate technique outboard of the missile tube as one portion of the hydrostatic hull. The "working" study group was headed by Fred Payne of IDA.

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